Are Southpaws really more creative, or is that just a myth? Is there a gene for left-handedness? David Wolman--a lefty, and proud of it--sets out to answer these and other questions on a journey through the world of the left-hander. Traveling from the halls of history to the halls of science, Wolman explores a Scottish castle designed for left-handed swordfights, visits a Paris museum to inspect nineteenth-century brains that hold clues to this biological...